TopThread

Boring Bar Identifi cation System

A25RNNT0R2

A25RNNTOR2
BarBarBarInsertInsertInsertRakeHand of ToolInsert
TypeDiameterLengthHoldingShapeLocationAngleSize

Method 0 = 0°

SteelNEnd mountRight hand
W1
with coolantTopThread*

A E R

Bar in millimetres

Dia. Dia.

Bars K = 125,0mm M = 150,0mm Q = 180,0mm R = 200,0mm S = 250,0mm T = 300,0mm U = 350,0mm

* Proprietary standard only.

Side mount

S

Left hand

L

insert

sizeW1
23,81
34,95
46,98
59,65
69,73
811,13